﻿#region Copyright
// Copyright (c) 2011-2012 RaisingForce Team (Alikin Sergey)
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

using System;
using Aiemp.ObjectModel;
using RaisingForce.Raise.Properties;

namespace RaisingForce.Raise.Hardware
{
    sealed public class HardwareEarlyBindingHelper<T> :
        IHardwareBindingHelper
    {
        #region Constructors

        public HardwareEarlyBindingHelper()
        { }

        #endregion

        #region Private Declarations

        private bool typeIsRegistered;  // = false

        private RegistryKey typeRegistryKey;

        #endregion

        #region IHardwareBindingHelper Members

        public RegistryKey RegisterType()
        {
            if (!this.typeIsRegistered)
            {
                RegistryKey? key =
                    RaiseRegistry.Hardware
                    .TryRegisterType(typeof(T));
                if (!key.HasValue)
                {
                    throw new InvalidOperationException(
                        string.Format(
                            Resources.Exception_EarlyBindingErrorFormat,
                            typeof(T).FullName));
                }
                this.typeRegistryKey = key.Value;
                this.typeIsRegistered = true;
            }
            return this.typeRegistryKey;
        }

        #endregion
    }
}
